% $Id: robgrph.tex 203 2009-04-20 01:20:13Z jsibert $
%
% Author: David Fournier
% Copyright (c) 2008 Regents of the University of California
%
\beginpicture
  \setcoordinatesystem units <.35in,2in>
  \setplotarea x from -5 to 5, y from -.01 to 1.0
  \plotheading{Figure \number\chapno.1}
  \axis bottom  
    ticks numbered from -5 to 5 by 1 /
 \setquadratic
 \plot "normal.dat" 
 \plot "rational.dat" 
 \setplotsymbol({\rm .})
 \plot "comb.dat" 
\endpicture
